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2010-02-26
, 13:03
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#2
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sounds like you need to install the gstreamer tools. on my device so can't search easily for you. but the terminal commands is in one of my healthcheck threads/posts.
__________________
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
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2010-02-26
, 14:11
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Posts: 61 |
Thanked: 77 times |
Joined on Dec 2009
@ Lancaster
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#3
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Originally Posted by noobmonkey
I checked if I have gstremaer tools.
sounds like you need to install the gstreamer tools.
[sbox-FREMANTLE_ARMEL: ~] > dpkg -l |grep gstreamer0.10-tool
ii gstreamer0.10-tools 0.10.25-0maemo2+0m5 Tools for use with GStreamer
I guess I have it.
I am looking at your post now.
http://talk.maemo.org/showthread.php...hcheck+threads
Thanks,
Klen
Last edited by klen; 2010-02-26 at 14:15.
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2010-02-26
, 15:22
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Posts: 61 |
Thanked: 77 times |
Joined on Dec 2009
@ Lancaster
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#4
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I checked your post that was mentioned above and the source code. Nice starting app.
I see you create an image and save it into the phones memory and then use that image to create a QPixmap and display it on the screen. I am not sure if this is the way how I should implement camera example on QT, as I want to display a continues stream of video until the photo is taken. This is why I think I need to use x_overlay.
However, I would also like to draw on top of the video stream like the native camera app on N900 does.
Any other suggestions?
Cheers,
Klen
I see you create an image and save it into the phones memory and then use that image to create a QPixmap and display it on the screen. I am not sure if this is the way how I should implement camera example on QT, as I want to display a continues stream of video until the photo is taken. This is why I think I need to use x_overlay.
However, I would also like to draw on top of the video stream like the native camera app on N900 does.
Any other suggestions?
Cheers,
Klen
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2010-03-01
, 23:40
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#5
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Originally Posted by klen
hmmmm ask the burgerface designer - he seems to know what he is doing
I checked your post that was mentioned above and the source code. Nice starting app.
I see you create an image and save it into the phones memory and then use that image to create a QPixmap and display it on the screen. I am not sure if this is the way how I should implement camera example on QT, as I want to display a continues stream of video until the photo is taken. This is why I think I need to use x_overlay.
However, I would also like to draw on top of the video stream like the native camera app on N900 does.
Any other suggestions?
Cheers,
Klen
I'm going to also want to use the video part of it soon, if i find out, will let you know
__________________
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
Last edited by noobmonkey; 2010-03-01 at 23:49.
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2010-03-01
, 23:56
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Posts: 3,203 |
Thanked: 1,391 times |
Joined on Nov 2009
@ Worthing, England
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#7
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Originally Posted by mmurfin87
seems to be no documentation for phonon, well google just brings up bug reports
This is a totally uninformed opinion, but maybe you should look into Phonon. Its the QT OO front end to gstreamer.
(Using python)
__________________
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
----------- Follow me on Twitter here
----------- My Photography Website and Blog is here
----------- Author of the N900 Health Check Application ----------- New Version in Extras Devel (Dec 2010 - 2.9.10)
----------- Are you on the N900 World Map? - http://pininthemap.com/maemo - masterpin: shotgun
----------- What apps do you want to see on the n900 or in MeeGo in the future? -
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2010-03-02
, 09:22
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Posts: 61 |
Thanked: 77 times |
Joined on Dec 2009
@ Lancaster
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#8
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I managed to link the needed libraries. I could not do it automatically using pkg-config instead of manually (i.e. -L/usr/lib/gtk-2.0 -lgtk+-2.0).
I added one line to my QMAKE file, where I add a linker flag and define names of libraries that are needed.
QMAKE_LFLAGS += `pkg-config --libs gtk+-2.0 \
--libs gstreamer-interfaces-0.10
One problem solved, one to go.
I still did not manage to link the pipeline sink to any of QT objects. I am looking into Phonon now. Looks promising. Hope it gets me somewhere.
Klen
I added one line to my QMAKE file, where I add a linker flag and define names of libraries that are needed.
QMAKE_LFLAGS += `pkg-config --libs gtk+-2.0 \
--libs gstreamer-interfaces-0.10
One problem solved, one to go.
I still did not manage to link the pipeline sink to any of QT objects. I am looking into Phonon now. Looks promising. Hope it gets me somewhere.
Klen
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2010-03-02
, 12:52
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Posts: 61 |
Thanked: 77 times |
Joined on Dec 2009
@ Lancaster
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#9
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Originally Posted by noobmonkey
seems to be no documentation for phonon, well google just brings up bug reports
The documentation for Phonon can be found:
QT Phonon 4.4: http://qt.nokia.com/doc/4.4/phonon-module.html
QT Phonon 4.6: http://qt.nokia.com/doc/qt-maemo-4.6...-overview.html
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2010-03-02
, 16:43
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Posts: 61 |
Thanked: 77 times |
Joined on Dec 2009
@ Lancaster
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#10
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Found a useful link. It might get there eventually.
http://stackoverflow.com/questions/1...upon-gstreamer
Klen
http://stackoverflow.com/questions/1...upon-gstreamer
Klen
I am trying to port Maemo Camera Example to QT and run into problems.
PROBLEM 1: SOLVED
I guess I am getting the:
/home/klen/workplace/maemo/DistanceQT/src/cameraN900.cpp:399: undefined reference to `gst_x_overlay_get_type'
/home/klen/workplace/maemo/DistanceQT/src/cameraN900.cpp:399: undefined reference to `gdk_x11_drawable_get_xid'
/home/klen/workplace/maemo/DistanceQT/src/cameraN900.cpp:399: undefined reference to `gst_x_overlay_set_xwindow_id'
because I am missing libraries. Bellow is my QMAKE FILE:
CFLAGS=-O0 -g
CXXFLAGS=-O0 -g
TEMPLATE = app
TARGET =
DEPENDPATH += .
INCLUDEPATH += .
QMAKE_CLEAN += distanceqt
#Includes
INCLUDEPATH +=. /usr/include/ \
/usr/include/gtk-2.0/ \
/usr/include/gtk-2.0/gtk/ \
/usr/include/gstreamer-0.10/ \
/usr/include/glib-2.0/ \
/usr/include/glib-2.0/glib/ \
/usr/include/glib-2.0/gio/ \
/usr/include/glib-2.0/gobject/ \
/usr/include/cairo/ \
/usr/include/pango-1.0/ \
/usr/include/atk-1.0/ \
/usr/include/libxml2/ \
/usr/include/dbus-1.0/ \
/usr/lib/gtk-2.0/include \
/usr/lib/gstreamer-0.10 \
/usr/lib \
/usr/lib/glib-2.0/include \
/usr/lib/dbus-1.0/include
LIBS += -L/usr/lib/glib-2.0 -lglib-2.0 \
-L/usr/lib/gstreamer-0.10 -lgstreamer-0.10 \
HEADERS += src/appdata.h src/camerafield.h src/cameraN900.h
SOURCES += src/appdata.cpp src/camerafield.cpp src/main.cpp src/cameraN900.cpp
I googled and found out that I should link in gstinterfaces-0.10 and gtk-2.0. If I add these two libraries in the same way as I did the others:
-L/usr/lib/gtk-2.0 -lgtk+-2.0 \
-L/usr/lib/ -lgstinterfaces
I get an error:
cannot find -lgtk+-2.0
cannot find -lgstinterfaces
What should I do to include these tow libraries in my QMAKE file. Do I need to find a workaround by manually updating the make file?
PROBLEM 2: SOLVED
I have a problem linking the gstreamer pipeline sink to any of QT objects. There was a suggestion by mmurfin87 to check Phonon. I am looking into Phonon now. Any other suggestions?
Thanks,
Klen
Last edited by klen; 2010-03-03 at 11:35. Reason: Better deduction